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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.systemui.statusbar.policy;
import android.content.Context;
import android.content.res.Resources;
import android.database.ContentObserver;
import android.os.Handler;
import android.os.SystemClock;
import android.provider.Settings;
import android.util.ArrayMap;
import android.util.Log;
import android.util.Pools;
import android.view.ViewTreeObserver;
import android.view.accessibility.AccessibilityEvent;
import com.android.systemui.R;
import com.android.systemui.statusbar.ExpandableNotificationRow;
import com.android.systemui.statusbar.NotificationData;
import com.android.systemui.statusbar.phone.PhoneStatusBar;
import java.io.FileDescriptor;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Stack;
import java.util.TreeSet;
public class HeadsUpManager implements ViewTreeObserver.OnComputeInternalInsetsListener {
private static final String TAG = "HeadsUpManager";
private static final boolean DEBUG = false;
private static final String SETTING_HEADS_UP_SNOOZE_LENGTH_MS = "heads_up_snooze_length_ms";
private final int mHeadsUpNotificationDecay;
private final int mMinimumDisplayTime;
private final int mTouchSensitivityDelay;
private final ArrayMap<String, Long> mSnoozedPackages;
private final HashSet<OnHeadsUpChangedListener> mListeners = new HashSet<>();
private final int mDefaultSnoozeLengthMs;
private final Handler mHandler = new Handler();
private final Pools.Pool<HeadsUpEntry> mEntryPool = new Pools.Pool<HeadsUpEntry>() {
private Stack<HeadsUpEntry> mPoolObjects = new Stack<>();
@Override
public HeadsUpEntry acquire() {
if (!mPoolObjects.isEmpty()) {
return mPoolObjects.pop();
}
return new HeadsUpEntry();
}
@Override
public boolean release(HeadsUpEntry instance) {
instance.removeAutoCancelCallbacks();
mPoolObjects.push(instance);
return true;
}
};
private PhoneStatusBar mBar;
private int mSnoozeLengthMs;
private ContentObserver mSettingsObserver;
private HashMap<String, HeadsUpEntry> mHeadsUpEntries = new HashMap<>();
private TreeSet<HeadsUpEntry> mSortedEntries = new TreeSet<>();
private HashSet<String> mSwipedOutKeys = new HashSet<>();
private int mUser;
private Clock mClock;
private boolean mReleaseOnExpandFinish;
private boolean mTrackingHeadsUp;
private HashSet<NotificationData.Entry> mEntriesToRemoveAfterExpand = new HashSet<>();
private boolean mIsExpanded;
private boolean mHasPinnedHeadsUp;
private int[] mTmpTwoArray = new int[2];
public HeadsUpManager(final Context context, ViewTreeObserver observer) {
Resources resources = context.getResources();
mTouchSensitivityDelay = resources.getInteger(R.integer.heads_up_sensitivity_delay);
if (DEBUG) Log.v(TAG, "create() " + mTouchSensitivityDelay);
mSnoozedPackages = new ArrayMap<>();
mDefaultSnoozeLengthMs = resources.getInteger(R.integer.heads_up_default_snooze_length_ms);
mSnoozeLengthMs = mDefaultSnoozeLengthMs;
mMinimumDisplayTime = resources.getInteger(R.integer.heads_up_notification_minimum_time);
mHeadsUpNotificationDecay = resources.getInteger(R.integer.heads_up_notification_decay);
mClock = new Clock();
mSnoozeLengthMs = Settings.Global.getInt(context.getContentResolver(),
SETTING_HEADS_UP_SNOOZE_LENGTH_MS, mDefaultSnoozeLengthMs);
mSettingsObserver = new ContentObserver(mHandler) {
@Override
public void onChange(boolean selfChange) {
final int packageSnoozeLengthMs = Settings.Global.getInt(
context.getContentResolver(), SETTING_HEADS_UP_SNOOZE_LENGTH_MS, -1);
if (packageSnoozeLengthMs > -1 && packageSnoozeLengthMs != mSnoozeLengthMs) {
mSnoozeLengthMs = packageSnoozeLengthMs;
if (DEBUG) Log.v(TAG, "mSnoozeLengthMs = " + mSnoozeLengthMs);
}
}
};
context.getContentResolver().registerContentObserver(
Settings.Global.getUriFor(SETTING_HEADS_UP_SNOOZE_LENGTH_MS), false,
mSettingsObserver);
if (DEBUG) Log.v(TAG, "mSnoozeLengthMs = " + mSnoozeLengthMs);
observer.addOnComputeInternalInsetsListener(this);
}
public void setBar(PhoneStatusBar bar) {
mBar = bar;
}
public void addListener(OnHeadsUpChangedListener listener) {
mListeners.add(listener);
}
public PhoneStatusBar getBar() {
return mBar;
}
/**
* Called when posting a new notification to the heads up.
*/
public void showNotification(NotificationData.Entry headsUp) {
if (DEBUG) Log.v(TAG, "showNotification");
addHeadsUpEntry(headsUp);
updateNotification(headsUp, true);
headsUp.setInterruption();
}
/**
* Called when updating or posting a notification to the heads up.
*/
public void updateNotification(NotificationData.Entry headsUp, boolean alert) {
if (DEBUG) Log.v(TAG, "updateNotification");
headsUp.row.setChildrenExpanded(false /* expanded */, false /* animated */);
headsUp.row.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED);
if (alert) {
HeadsUpEntry headsUpEntry = mHeadsUpEntries.get(headsUp.key);
headsUpEntry.updateEntry();
setEntryToShade(headsUpEntry, mIsExpanded, false /* justAdded */, false);
}
}
private void addHeadsUpEntry(NotificationData.Entry entry) {
HeadsUpEntry headsUpEntry = mEntryPool.acquire();
// This will also add the entry to the sortedList
headsUpEntry.setEntry(entry);
mHeadsUpEntries.put(entry.key, headsUpEntry);
entry.row.setHeadsUp(true);
setEntryToShade(headsUpEntry, mIsExpanded /* inShade */, true /* justAdded */, false);
for (OnHeadsUpChangedListener listener : mListeners) {
listener.OnHeadsUpStateChanged(entry, true);
}
entry.row.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED);
}
private void setEntryToShade(HeadsUpEntry headsUpEntry, boolean inShade, boolean justAdded,
boolean forceImmediate) {
ExpandableNotificationRow row = headsUpEntry.entry.row;
if (row.isInShade() != inShade || justAdded) {
row.setInShade(inShade);
if (!justAdded || !inShade) {
updatePinnedHeadsUpState(forceImmediate);
for (OnHeadsUpChangedListener listener : mListeners) {
listener.OnHeadsUpPinnedChanged(row, !inShade);
}
}
}
}
private void removeHeadsUpEntry(NotificationData.Entry entry) {
HeadsUpEntry remove = mHeadsUpEntries.remove(entry.key);
mSortedEntries.remove(remove);
mEntryPool.release(remove);
entry.row.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED);
entry.row.setHeadsUp(false);
setEntryToShade(remove, true /* inShade */, false /* justAdded */,
false /* forceImmediate */);
for (OnHeadsUpChangedListener listener : mListeners) {
listener.OnHeadsUpStateChanged(entry, false);
}
}
private void updatePinnedHeadsUpState(boolean forceImmediate) {
boolean hasPinnedHeadsUp = hasPinnedHeadsUpInternal();
if (hasPinnedHeadsUp == mHasPinnedHeadsUp) {
return;
}
mHasPinnedHeadsUp = hasPinnedHeadsUp;
for (OnHeadsUpChangedListener listener :mListeners) {
listener.OnPinnedHeadsUpExistChanged(hasPinnedHeadsUp, forceImmediate);
}
}
/**
* React to the removal of the notification in the heads up.
*
* @return true if the notification was removed and false if it still needs to be kept around
* for a bit since it wasn't shown long enough
*/
public boolean removeNotification(String key) {
if (DEBUG) Log.v(TAG, "remove");
if (wasShownLongEnough(key)) {
releaseImmediately(key);
return true;
} else {
getHeadsUpEntry(key).hideAsSoonAsPossible();
return false;
}
}
private boolean wasShownLongEnough(String key) {
HeadsUpEntry headsUpEntry = getHeadsUpEntry(key);
HeadsUpEntry topEntry = getTopEntry();
if (mSwipedOutKeys.contains(key)) {
// We always instantly dismiss views being manually swiped out.
mSwipedOutKeys.remove(key);
return true;
}
if (headsUpEntry != topEntry) {
return true;
}
return headsUpEntry.wasShownLongEnough();
}
public boolean isHeadsUp(String key) {
return mHeadsUpEntries.containsKey(key);
}
/**
* Push any current Heads Up notification down into the shade.
*/
public void releaseAllImmediately() {
if (DEBUG) Log.v(TAG, "releaseAllImmediately");
HashSet<String> keys = new HashSet<>(mHeadsUpEntries.keySet());
for (String key: keys) {
releaseImmediately(key);
}
}
public void releaseImmediately(String key) {
HeadsUpEntry headsUpEntry = getHeadsUpEntry(key);
if (headsUpEntry == null) {
return;
}
NotificationData.Entry shadeEntry = headsUpEntry.entry;
removeHeadsUpEntry(shadeEntry);
}
public boolean isSnoozed(String packageName) {
final String key = snoozeKey(packageName, mUser);
Long snoozedUntil = mSnoozedPackages.get(key);
if (snoozedUntil != null) {
if (snoozedUntil > SystemClock.elapsedRealtime()) {
if (DEBUG) Log.v(TAG, key + " snoozed");
return true;
}
mSnoozedPackages.remove(packageName);
}
return false;
}
public void snooze() {
for (String key: mHeadsUpEntries.keySet()) {
HeadsUpEntry entry = mHeadsUpEntries.get(key);
String packageName = entry.entry.notification.getPackageName();
mSnoozedPackages.put(snoozeKey(packageName, mUser),
SystemClock.elapsedRealtime() + mSnoozeLengthMs);
}
mReleaseOnExpandFinish = true;
}
private static String snoozeKey(String packageName, int user) {
return user + "," + packageName;
}
private HeadsUpEntry getHeadsUpEntry(String key) {
return mHeadsUpEntries.get(key);
}
public NotificationData.Entry getEntry(String key) {
return mHeadsUpEntries.get(key).entry;
}
public TreeSet<HeadsUpEntry> getSortedEntries() {
return mSortedEntries;
}
public HeadsUpEntry getTopEntry() {
return mSortedEntries.isEmpty() ? null : mSortedEntries.first();
}
/**
* @param key the key of the touched notification
* @return whether the touch is valid and should not be discarded
*/
public boolean shouldSwallowClick(String key) {
if (mClock.currentTimeMillis() < mHeadsUpEntries.get(key).postTime) {
return true;
}
return false;
}
public void onComputeInternalInsets(ViewTreeObserver.InternalInsetsInfo info) {
if (!mIsExpanded && mHasPinnedHeadsUp) {
int minX = Integer.MAX_VALUE;
int maxX = 0;
int minY = Integer.MAX_VALUE;
int maxY = 0;
for (HeadsUpEntry entry: mSortedEntries) {
ExpandableNotificationRow row = entry.entry.row;
if (!row.isInShade()) {
row.getLocationOnScreen(mTmpTwoArray);
minX = Math.min(minX, mTmpTwoArray[0]);
minY = Math.min(minY, 0);
maxX = Math.max(maxX, mTmpTwoArray[0] + row.getWidth());
maxY = Math.max(maxY, row.getHeadsUpHeight());
}
}
info.setTouchableInsets(ViewTreeObserver.InternalInsetsInfo.TOUCHABLE_INSETS_REGION);
info.touchableRegion.set(minX, minY, maxX, maxY);
}
}
public void setUser(int user) {
mUser = user;
}
public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
pw.println("HeadsUpManager state:");
pw.print(" mTouchSensitivityDelay="); pw.println(mTouchSensitivityDelay);
pw.print(" mSnoozeLengthMs="); pw.println(mSnoozeLengthMs);
pw.print(" now="); pw.println(SystemClock.elapsedRealtime());
pw.print(" mUser="); pw.println(mUser);
for (HeadsUpEntry entry: mSortedEntries) {
pw.print(" HeadsUpEntry="); pw.println(entry.entry);
}
int N = mSnoozedPackages.size();
pw.println(" snoozed packages: " + N);
for (int i = 0; i < N; i++) {
pw.print(" "); pw.print(mSnoozedPackages.valueAt(i));
pw.print(", "); pw.println(mSnoozedPackages.keyAt(i));
}
}
public boolean hasPinnedHeadsUp() {
return mHasPinnedHeadsUp;
}
private boolean hasPinnedHeadsUpInternal() {
for (String key: mHeadsUpEntries.keySet()) {
HeadsUpEntry entry = mHeadsUpEntries.get(key);
if (!entry.entry.row.isInShade()) {
return true;
}
}
return false;
}
public void addSwipedOutKey(String key) {
mSwipedOutKeys.add(key);
}
public float getHighestPinnedHeadsUp() {
float max = 0;
for (HeadsUpEntry entry: mSortedEntries) {
if (!entry.entry.row.isInShade()) {
max = Math.max(max, entry.entry.row.getActualHeight());
}
}
return max;
}
public void releaseAllToShade() {
for (String key: mHeadsUpEntries.keySet()) {
HeadsUpEntry entry = mHeadsUpEntries.get(key);
setEntryToShade(entry, true /* toShade */, false /* justAdded */,
true /* forceImmediate */);
}
}
public void onExpandingFinished() {
if (mReleaseOnExpandFinish) {
releaseAllImmediately();
mReleaseOnExpandFinish = false;
} else {
for (NotificationData.Entry entry : mEntriesToRemoveAfterExpand) {
removeHeadsUpEntry(entry);
}
mEntriesToRemoveAfterExpand.clear();
}
}
public void setTrackingHeadsUp(boolean trackingHeadsUp) {
mTrackingHeadsUp = trackingHeadsUp;
}
public void setIsExpanded(boolean isExpanded) {
if (isExpanded != mIsExpanded) {
mIsExpanded = isExpanded;
if (isExpanded) {
releaseAllToShade();
}
}
}
public int getTopHeadsUpHeight() {
HeadsUpEntry topEntry = getTopEntry();
return topEntry != null ? topEntry.entry.row.getHeadsUpHeight() : 0;
}
public int compare(NotificationData.Entry a, NotificationData.Entry b) {
HeadsUpEntry aEntry = getHeadsUpEntry(a.key);
HeadsUpEntry bEntry = getHeadsUpEntry(b.key);
if (aEntry == null || bEntry == null) {
return aEntry == null ? 1 : -1;
}
return aEntry.compareTo(bEntry);
}
public class HeadsUpEntry implements Comparable<HeadsUpEntry> {
public NotificationData.Entry entry;
public long postTime;
public long earliestRemovaltime;
private Runnable mRemoveHeadsUpRunnable;
public void setEntry(final NotificationData.Entry entry) {
this.entry = entry;
// The actual post time will be just after the heads-up really slided in
postTime = mClock.currentTimeMillis() + mTouchSensitivityDelay;
mRemoveHeadsUpRunnable = new Runnable() {
@Override
public void run() {
if (!mTrackingHeadsUp) {
removeHeadsUpEntry(entry);
} else {
mEntriesToRemoveAfterExpand.add(entry);
}
}
};
updateEntry();
}
public void updateEntry() {
long currentTime = mClock.currentTimeMillis();
postTime = Math.max(postTime, currentTime);
long finishTime = postTime + mHeadsUpNotificationDecay;
long removeDelay = Math.max(finishTime - currentTime, mMinimumDisplayTime);
earliestRemovaltime = currentTime + mMinimumDisplayTime;
removeAutoCancelCallbacks();
mHandler.postDelayed(mRemoveHeadsUpRunnable, removeDelay);
updateSortOrder(HeadsUpEntry.this);
}
@Override
public int compareTo(HeadsUpEntry o) {
return postTime < o.postTime ? 1
: postTime == o.postTime ? 0
: -1;
}
public void removeAutoCancelCallbacks() {
mHandler.removeCallbacks(mRemoveHeadsUpRunnable);
}
public boolean wasShownLongEnough() {
return earliestRemovaltime < mClock.currentTimeMillis();
}
public void hideAsSoonAsPossible() {
removeAutoCancelCallbacks();
mHandler.postDelayed(mRemoveHeadsUpRunnable,
earliestRemovaltime - mClock.currentTimeMillis());
}
}
/**
* Update the sorted heads up order.
*
* @param headsUpEntry the headsUp that changed
*/
private void updateSortOrder(HeadsUpEntry headsUpEntry) {
mSortedEntries.remove(headsUpEntry);
mSortedEntries.add(headsUpEntry);
}
public static class Clock {
public long currentTimeMillis() {
return SystemClock.elapsedRealtime();
}
}
public interface OnHeadsUpChangedListener {
void OnPinnedHeadsUpExistChanged(boolean exist, boolean changeImmediatly);
void OnHeadsUpPinnedChanged(ExpandableNotificationRow headsUp, boolean isHeadsUp);
void OnHeadsUpStateChanged(NotificationData.Entry entry, boolean isHeadsUp);
}
}
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